Automatic pattern stab



Oct. 25,1927. 4 1,646,744

, E. E. BRINSER AUTOMATIC PATTERN STAB Filed March 16, 1927 4 4 F ca '&

. nnmarie-PATTERN stran if P In cutting shoes by handrit is customary to'use a pattern of thepart to .be cut;from theleatherjor other goods entering into the. shoe,.and to mark superficially the cut outpart so as to guide thestitcher in stitching. This marking is called fstabbing, and it-isf commonly accomplished by. providing the pattern with eyeleted or other holes "through.

which the cutter inserts an awl or othermarking tool and by it impresses superficial-marks on the materialto guide-the stitcher in as-L sembling the parts tobe united by stitching. The use of an awldo-es not always give accurate results, because of the personal equationincident to its use, and hence the finished shoe ismore or less imperfect. It is highly desirable that the marking be done accurately, and to this end I provide, by my invention, stabs rigidly applied to the pattern, at predetermined points, so that the cutter may cut the material and-stab it without using an extraneous tool for the stabbing. The invention consists of a pattern having fixedly applied to it pointed devices, herein referred to as" stabs, which are arranged therein so as to enable the cutter to define the line on which the stitcher must unite parts, such as'uppers or Vamps, in proper relation to other parts to insure a perfect shoe. The stabs project from both sides of the pattern so that one pattern may be used for both rights and lefts, asI will proceed now to explain and finally claim.

In the accompanying drawings illustrating the invention, in the several'figures of which like parts are similarly designated, Figure -1 is a plan view of a pattern of part of a shoe, having my stabs applied thereto. Fig. 2 is a cross-section on line 22, showing at the right-hand side a stab in elevation with its securing element in section and at the lefthand side showing these parts entirely in section. Fig. 3 is'an elevation of the stab detached, and Fig. 4 is a cross-section ofthe securing elements Fig. 5 is a sectional elevation showing the stab in elevation and its securing element in position to be assembled upon a pattern, a fragment of the pattern. being shown in section. Fig. 6 is a view similar to Fig. 5 with the parts assembled. Fig. 7 is a view like Fig. 6, illustrating a modification. Fig. 8 is aplan View of a different form of securing element.

Without thereby limiting the invention to any particular part of a shoe, I have herein *nni zar nrrr n. n irnsniufor nnlrzannrtrrowin; :rs ssy v iirr;

pattern-l gmade of,,fiber board.or other rigid shape-retaining ,material, and. prefer? ably has its edge provided with a nietal binding, .2, so as, t.oj .;resist the ;wear, .of, the' cutterfsknif-e, when using. the pattern over a. piece of shoe material,, suclr-as leather, to, cut out the part gfg ;I'-

iv invention contemplates the use of. stabs consisting of: a: body portion; .3, both ends fl,

and 5 of which are tapered and blunt poi nt i" ed, and one end provided with a laterally e x r;

tending flange 6 and the otherend provided with a groove: 7, so that, the .body niay be P335661: t e e ho e i t e Patte n n ilhe flan e Ma t fiat 1. 1 5 h f ce o t e.

P t r and L li he ecu ng el men here shown as'a washer, is applied to the groove 7 by forcing the element 8 over the end 5, asindicated in Fig 5, and then flattoning out-this element 8, as indicated in Fig. 6. The element 8 is shown as made as a concave Washer which may be flattened out when the edge of its hole" is forced inwardly into the groove 7 and againstlthe material. of the pattern. I

7 Instead of manages body portion 3 with an integral flange 6, it may be provided with i one groove 7 to receive the securing element 8 and the other e-ndof'thebody may be like- WISH provided with a groove 9 in which is pressed a similar securing element 10, as

shown in Fig. 7

Instead of making a securing element such as those already described, it may be made, as shown in Fig; 8, as a radially slit-ted washer 11.- i t In either construction of securing elements the resilienceof the metal serves to keep the element in retaining engagement with the 7 body.

It will be'observed that the stab'has both 7 ends alike, andthese ends project from opposite sides of the pattern, solthat the pattern'may be'used reversely for stabbing purposes in cutting and marking both right and left shoe portions. 7

As already indicated, the invention is notlimited to use on leather, and it is not limited 'to its use on shoe parts, regardless of j their material, but it may be used on parts for purses, pocket books, bags, andother containers that are made up of parts which are stitched together.

By means ofa'stab ,constructed'asdethe correct impression.

- pattern When cuttin scribed, the correct marking of a pattern is absolutely ensured, because the stabs are fixedly applied to the pattern and extend in the same plane from both sides. -When the pattern is placed on the material .theoperator simply presses it sufiic'iently to make Obviously the operator must apply suflicient pressure to the to prevent it from slipping, and with slightly additional pressure, he can make the impression on thematerial. Because o'fthis mode of operation, I

have designated my device as an automatic pattern stab. i

' The ends of the stab arerounded or bluntpoin'ted so as not to mar or deface the material beingmarked as the pattern is moved into position on the material.

" The foregoing and other variations are permissible Within the principle of the invention' and the scope of the clainis following. j

' What I claim is LA pattern stab; having a body provided with blunt ends and adapted to be appliedvtoa pattern with the ends projecting from opposite sides, and means applied to the body between its ends' and the pattern to secure the body tothe pattern.

2'. A pattern stab, comprising a body having its oppositeends blunt-pointed and adapted-to be applied to a pattern so that its ends extend from opposite sides thereof, one end having an adjacent integral flange to rest on one side of the pattern and the other end provided with, acircumferential groove pattern and a resilient Washer forced into engagement with said out against the pattern. 7.

In testimony whereof Ihave hereunto set my7 hand' this l5th'day' of March, A. D. 192 Y ELIZABETH E. BnINsEn.

groove and flattened 

